{1} Bugs by priority (1291 matches)

Lists all open bugs in order of priority.

Results (1 - 100 of 1291)

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Ticket Summary Component Version Priority Severity Milestone Owner Status Created
#13347 Abstract classes in hs-boot should not be treated as injective Compiler (Type checker) 8.1 low new Feb 27, 2017
#13344 Core string literal patch regresses compiler performance considerably Compiler 8.1 high 8.2.1 bgamari new Feb 26, 2017
#13343 Levity polymorphism-related GHC panic: expectJust zonkTcTyVarToVar Compiler (Type checker) 8.0.1 normal new Feb 26, 2017
#13342 Core Lint warnings are emitted on stdout rather than stderr Compiler 8.0.1 low new Feb 25, 2017
#13340 Core top-level bindings no longer deduplicated Compiler 8.1 highest 8.2.1 new Feb 25, 2017
#13339 Arbitrarily large expressions built out of cheap primops are not floated out Compiler 8.1 normal new Feb 25, 2017
#13338 New versions of time and Cabal are causing a Core Lint error on Windows Compiler 8.1 highest 8.2.1 patch Feb 25, 2017
#13337 GHC doesn't think a type is of kind *, despite having evidence for it Compiler (Type checker) 8.0.2 normal new Feb 25, 2017
#13335 Non-abstract types also have skolem nature Compiler (Type checker) 8.1 normal 8.2.1 new Feb 24, 2017
#13333 Typeable regression in GHC HEAD Compiler (Type checker) 8.1 high 8.2.1 new Feb 24, 2017
#13332 Report unrecognized pragmas earlier Compiler 8.0.2 normal new Feb 24, 2017
#13331 Worker/wrapper can lead to sharing failure Compiler 8.1 normal 8.4.1 new Feb 24, 2017
#13330 forkIO has inconsistent behavior under optimization Core Libraries 8.1 normal 8.2.1 dfeuer patch Feb 24, 2017
#13329 Windows CMD.EXE "Quick Edit Mode" Compiler 8.0.1 normal new Feb 24, 2017
#13328 Foldable, Functor, and Traversable deriving handle phantom types badly Compiler 8.1 normal 8.4.1 new Feb 23, 2017
#13327 Figure out how to make sense of Data instances for poly-kinded datatypes libraries/base 8.0.1 normal new Feb 23, 2017
#13323 Backpack doesn't work with DuplicateRecordFields Compiler (Type checker) 8.1 normal patch Feb 23, 2017
#13321 Importing a bundled pattern "infects" all other imports of that pattern Compiler (Type checker) 8.0.1 low new Feb 23, 2017
#13320 Unfortunate compiler loop when creating type loop (with UndecidableInstances) Compiler 8.0.1 low new Feb 22, 2017
#13316 Bad inlining cascade leads to slow optimisation Compiler 8.0.1 normal new Feb 22, 2017
#13313 cabal08 broken Compiler 8.0.1 high 8.2.1 new Feb 21, 2017
#13308 Treat leading whitespace in rts flag arguments in a uniform way Runtime System 8.0.2 lowest new Feb 20, 2017
#13307 Record pattern synonym fields have to be manually exported Compiler 8.0.2 normal new Feb 20, 2017
#13306 Problems with type inference for static expressions Compiler 8.0.2 normal new Feb 20, 2017
#13303 Bad pretty printer for let bindings in a do-notation with braces Compiler 8.0.2 normal new Feb 19, 2017
#13296 stat() calls can block Haskell runtime Runtime System 8.0.2 normal new Feb 18, 2017
#13295 Failure to resolve type parameter determined by type family Compiler (Type checker) 8.0.1 normal new Feb 18, 2017
#13294 compactResize is a terrible primop and a terrible name Core Libraries 8.1 normal new Feb 18, 2017
#13291 bpk15 and bkp47 fail with -dunique-increment=-1 Compiler 8.1 normal new Feb 17, 2017
#13290 Data constructors should not have RULES Compiler 8.0.1 normal 8.2.1 dfeuer new Feb 17, 2017
#13289 Terrible loss of optimisation in presence of ticks Compiler 8.0.1 normal new Feb 17, 2017
#13286 Late floating of join points Compiler 8.0.1 normal new Feb 16, 2017
#13284 Incoherent instance solving is over-eager Compiler 8.0.1 normal new Feb 16, 2017
#13283 T5435_dyn_asm fails with gold linker Runtime System (Linker) 8.1 normal new Feb 15, 2017
#13275 ghci ignores -fprint-explicit-runtime-reps GHCi 8.0.2 normal new Feb 12, 2017
#13273 AttributeError: 'Environment' object has no attribute 'get_db_cnx' Compiler 8.0.1 normal new Feb 12, 2017
#13269 Changes in foreign code used in TH do not trigger recompilation Template Haskell 8.0.1 normal new Feb 11, 2017
#13268 Backpack doesn't work with Template Haskell, even when it should Template Haskell 8.0.1 normal new Feb 11, 2017
#13266 Source locations from signature merging/matching are bad Compiler (Type checker) 8.1 normal new Feb 10, 2017
#13265 perf-llvm build fails with "Too many sections: 123418 (>= 65280)" Compiler (LLVM) 8.1 highest 8.2.1 new Feb 10, 2017
#13260 panic on unboxed string literal in pattern Compiler 8.1 normal new Feb 10, 2017
#13254 Confusing error message from GHCI - "defined in multiple files" shows the same file GHCi 8.1 normal new Feb 9, 2017
#13253 Exponential compilation time with RWST & ReaderT stack with `-02` Compiler 8.0.1 normal new Feb 9, 2017
#13251 Must perform family consistency check on non-imported identifiers Compiler (Type checker) 8.1 normal new Feb 9, 2017
#13247 hPutBufNonBlocking can block Compiler 8.0.2 normal new Feb 9, 2017
#13243 make test in non-validate configuration fails with a variety of ghci errors GHCi 8.0.1 normal 8.4.1 new Feb 8, 2017
#13242 Panic "StgCmmEnv: variable not found" with ApplicativeDo and ExistentialQuantification Compiler 8.1 highest 8.2.1 simonmar new Feb 8, 2017
#13239 Phabricator upgrade broke the ticket custom field Compiler 8.0.1 high new Feb 7, 2017
#13236 Improve floating for join points Compiler 8.0.1 normal new Feb 7, 2017
#13235 (makeVersion [4, 9, 0, 0] <= makeVersion [4, 9]) == False libraries/base 8.0.1 normal new Feb 6, 2017
#13233 typePrimRep panic while compiling GHC with profiling Compiler 8.0.1 highest 8.2.1 bgamari new Feb 5, 2017
#13226 Compiler allocation regressions from top-level string literal patch Compiler 8.1 normal 8.2.1 new Feb 2, 2017
#13225 Fannkuch-redux time regression from join point patch Compiler 8.1 normal 8.4.1 new Feb 2, 2017
#13224 Rules and join points Compiler 8.0.1 normal lukemaurer new Feb 1, 2017
#13223 Core Prep sometimes generates case of type lambda Compiler 8.1 normal lukemaurer new Feb 1, 2017
#13220 Performance regressions in testsuite from join points Compiler 8.1 highest 8.2.1 lukemaurer new Feb 1, 2017
#13219 CSE for join points Compiler 8.1 normal lukemaurer new Feb 1, 2017
#13216 internal error: stg_ap_pppppp_ret Compiler 8.0.1 normal new Feb 1, 2017
#13211 NegativeLiterals -0.0 :: Double Compiler 8.1 normal Nolan new Jan 30, 2017
#13209 ghc panic with optimization. Compiler 7.10.3 normal new Jan 30, 2017
#13208 Do two-phase inlining in simpleOptPgm Compiler 8.1 normal new Jan 30, 2017
#13207 Performance regressions from removing LNE analysis Compiler 8.1 normal lukemaurer new Jan 30, 2017
#13205 Run `validate --slow` during CI at least sometimes. Compiler 8.0.1 normal new Jan 29, 2017
#13203 Implement Bits Natural clearBit libraries/base 8.0.2 lowest new Jan 28, 2017
#13202 Levity polymorphism panic in GHCi Compiler 8.0.1 high 8.2.1 new Jan 28, 2017
#13201 Type-level naturals aren't instantiated with GHCi debugger Compiler 8.0.2 normal new Jan 28, 2017
#13200 Old links to snapshot releases in GHC user's guide Documentation 8.1 normal new Jan 28, 2017
#13195 Ticks panic Compiler 8.0.1 normal new Jan 27, 2017
#13193 Integer (gmp) performance regression? Compiler 8.0.1 normal new Jan 27, 2017
#13192 Ambiguity Caused By PolyKind and Not Helpful Error Messages Compiler 8.1 normal new Jan 27, 2017
#13185 haskell-relational-query: ghc: panic! (the 'impossible' happened) Compiler 8.0.2 high new Jan 25, 2017
#13184 :show bindings broken under -fexternal-interpreter GHCi 8.0.1 low new Jan 25, 2017
#13180 Confusing error when hs-boot abstract data implemented using synonym Compiler (Type checker) 8.1 low new Jan 24, 2017
#13174 Fix mismatch between unsafeDupablePerformIO and note Core Libraries 8.1 normal 8.2.1 new Jan 24, 2017
#13169 Documentation for CoreMonad.getAnnotations Documentation 7.10.3 normal new Jan 23, 2017
#13168 Ambiguous interface errors in GHCi, even with -XPackageImports GHCi 8.0.2 normal new Jan 22, 2017
#13167 GC and weak reference finalizers and exceptions Compiler 8.0.1 normal new Jan 22, 2017
#13165 Speed up the RTS hash table Runtime System 8.1 normal 8.2.1 new Jan 21, 2017
#13157 Opportunity to improve case-of-case Compiler 8.0.1 normal new Jan 20, 2017
#13154 Standalone-derived anyclass instances aren't as permissive as empty instances Compiler (Type checker) 8.1 normal 8.4.1 RyanGlScott new Jan 20, 2017
#13153 Several Traversable instances have an extra fmap Core Libraries 8.1 normal 8.4.1 dfeuer new Jan 19, 2017
#13150 unknown warning is not reported by GHC Compiler 8.0.1 high new Jan 18, 2017
#13148 Adding weak pointers to non-mutable unboxed values segfaults Compiler 8.0.1 normal new Jan 18, 2017
#13147 Formatting is broken in Exceptions section of GHC.Prim haddock Prelude 8.0.1 normal new Jan 18, 2017
#13146 Doc for RealWorld refers to non-existent "ptrArg" Prelude 8.0.1 normal new Jan 18, 2017
#13145 Documentation shouldn't call things functions that aren't functions libraries/base 8.0.1 normal new Jan 18, 2017
#13142 Substitution invariant failure arising from OptCoercion Compiler 8.0.2 normal new Jan 17, 2017
#13141 Don't check for Perl in ./configure when not splitting objects Compiler 8.0.2 normal 8.2.1 dobenour new Jan 17, 2017
#13139 Documents not updating correctly? Documentation 8.0.2 normal new Jan 16, 2017
#13137 Dynamic linker not initialised. Compiler 8.0.2 normal new Jan 16, 2017
#13130 atomicModifyMutVar# has incorrect type Compiler 8.0.1 normal 8.2.1 new Jan 15, 2017
#13119 yesod-auth-1.4.15: ghc: panic! (the 'impossible' happened) Linker error Compiler 7.10.3 normal new Jan 14, 2017
#13118 let binding tuple of lenses error not an expression GHCi 8.0.1 normal infoneeded Jan 14, 2017
#13115 missing data instances for IntPtr and WordPtr in base Compiler 8.0.1 normal new Jan 13, 2017
#13112 Windows 64-bit GHC HEAD segfaults on the code with a lot of TH stuff. Compiler 8.1 normal new Jan 12, 2017
#13110 GHC API allocates memory which is never GC'd GHC API 8.0.2 normal new Jan 12, 2017
#13109 CUSK improvements Compiler 8.0.1 normal goldfire new Jan 11, 2017
#13105 Allow type families in RuntimeReps Compiler 8.0.1 normal new Jan 11, 2017
#13104 runRW# ruins join points Compiler 8.1 normal 8.4.1 new Jan 11, 2017
#13102 orphan family instances can leak through the EPS in --make mode Compiler 8.1 normal rwbarton new Jan 10, 2017
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